'Vacation' premiere in Los Angeles (14 images)

Cast members Chevy Chase and Beverly D'Angelo attend the premiere of the motion picture comedy "Vacation" at the Regency Village Theatre in the Westwood section of Los Angeles on July 27, 2015. Storyline: Hoping to bring his family closer together and to recreate his childhood vacation for his own kids, a grown up Rusty Griswold takes his wife and their two sons on a cross-country road trip to the coolest theme park in America, Walley World. Needless to say, things don't go quite as planned. Photo by Jim Ruymen/UPI

Cast member Christina Applegate attends the premiere of the motion picture comedy "Vacation" at the Regency Village Theatre in the Westwood section of Los Angeles on July 27, 2015. Storyline: Hoping to bring his family closer together and to recreate his childhood vacation for his own kids, a grown up Rusty Griswold takes his wife and their two sons on a cross-country road trip to the coolest theme park in America, Walley World. Needless to say, things don't go quite as planned. Photo by Jim Ruymen/UPI

Cast member Ed Helms attends the premiere of the motion picture comedy "Vacation" at the Regency Village Theatre in the Westwood section of Los Angeles on July 27, 2015. Storyline: Hoping to bring his family closer together and to recreate his childhood vacation for his own kids, a grown up Rusty Griswold takes his wife and their two sons on a cross-country road trip to the coolest theme park in America, Walley World. Needless to say, things don't go quite as planned. Photo by Jim Ruymen/UPI

Cast member Chris Hemsworth and his wife, Spanish model and actress Elsa Pataky attend the premiere of the motion picture comedy "Vacation" at the Regency Village Theatre in the Westwood section of Los Angeles on July 27, 2015. Storyline: Hoping to bring his family closer together and to recreate his childhood vacation for his own kids, a grown up Rusty Griswold takes his wife and their two sons on a cross-country road trip to the coolest theme park in America, Walley World. Needless to say, things don't go quite as planned. Photo by Jim Ruymen/UPI